chassis: Remove sensor subscription

Remove a signal subscription from the deprecated
org.openbmc.SensorThresholds interface.

Change-Id: I75d83324ada77642a8f560b4250fb24190dc540a
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/pychassisctl/chassis_control.py b/pychassisctl/chassis_control.py
index c25c2ff..68281e6 100644
--- a/pychassisctl/chassis_control.py
+++ b/pychassisctl/chassis_control.py
@@ -82,10 +82,6 @@
                                 dbus_interface="org.openbmc.Watchdog",
                                 signal_name="WatchdogError")
 
-        bus.add_signal_receiver(self.emergency_shutdown_signal_handler,
-                                dbus_interface="org.openbmc.SensorThresholds",
-                                signal_name="Emergency")
-
         bus.add_signal_receiver(self.SystemStateHandler,
                                 signal_name="GotoSystemState")
 
@@ -189,25 +185,6 @@
         print "Watchdog Error, Going to quiesce"
         self.quiesce()
 
-    def emergency_shutdown_signal_handler(self, message):
-        print "Emergency Shutdown!"
-        # Log an event.
-        try:
-            # Exception happens or not, we need to power off.
-            obj = bus.get_object("org.openbmc.records.events",
-                                 "/org/openbmc/records/events",
-                                 introspect=False)
-            intf = dbus.Interface(obj, "org.openbmc.recordlog")
-            desc = message
-            sev = "critical error"
-            details = "Get emergency shutdown signal. Shutdown the host."
-            debug = dbus.ByteArray("")
-            intf.acceptBMCMessage(desc, sev, details, debug)
-        except Exception as e:
-            print "Emergency shutdown signal handler: log event error."
-            print e
-        self.powerOff()
-
 
 if __name__ == '__main__':
     dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)